Thursday
May 5, 2016

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

Science Question
Can some1 give me mayb 1 or 2 examples of a HETEROGENEOUS mixture for my lesson?? Thank you!
Tuesday, January 5, 2016 by Saisir le Jour

Science
Which law of chemical is illustrated by the fact that 168g of iron with 72g of water to form 232g of ferric oxide And 8g hydrogen
Tuesday, January 5, 2016 by Sushmitha

science
I am wondering why H2S has only London Dispersion forces and not Hydrogen Bonding?
Monday, January 4, 2016 by David

Science
an airplane flies 800 km east and 600 in north. What is the total displacement (with approximate direction)? What is the total distance traveled?
Monday, January 4, 2016 by Jaylah

Science
What is the density of a solid aluminum with a mass of 60g
Monday, January 4, 2016 by Amanda

Science
This has already been posted, however the provided answer does not make sense. Anyone have additional insight for this one? An excess of aluminum metal is added to 200.0 mL of 0.025 M solution of CuCl2, reducing the Cu+2 ions to metallic Cu. If the temperature of the solution ...
Monday, January 4, 2016 by Chem Help

Math
The science test grades are posted. All students taking the test scored over 75. Unfortunately, 4 students were absent for the test and the computer listed their scores as 0 until the test is taken. Assuming that no score repeated more times than the 0's, what measure of ...
Monday, January 4, 2016 by Vstar

Science -- Check my Answer Plz (again)
A beaker contains 50.0 mL of water at 90.0°C. How many calories must be added to raise the temperature of the water to its boiling point (100°C)? A) 50.0 cal B) 1.00*10^3 C) 100.0 cal D) 5.00*10^2 I think the answer is B, but i also think im wrong...
Monday, January 4, 2016 by Saisir le Jour

Science -- Check my Answer Plz
How much heat (calories) must be applied to a 100 mL beaker filled with boiling water in order to vaporize the water? ** A) 540 cal ** B) 540 * 10^4 cal C) 800 cal D) 8000 cal Is A correct? or cud it be B.?
Monday, January 4, 2016 by Saisir le Jour

Science -- Explaination on Heat Capacity?
I need some1 to explain heat capacity to me because the way my lesson is teaching it is EXTREMELY confusing!! A simple explanation would be nice! Dumb it down 4 a 7th grader!!!!! If you could use the following question in the explanation, that would be great because this is y ...
Monday, January 4, 2016 by Sairsir le Jour

PLZ Check my Science Project's summary?!
The following r the instructions to my Project: - Compose a scientific summary of your method, observations, data, and conclusions. In addition, be sure to answer the questions below in your report. 1. Why does the first method for determining volume work only for a regular-...
Monday, January 4, 2016 by Natasha

Science Project Help
Hello, My science project is asking me to "compose a scientific summary of your method, observations, data, and conclusions" on determining the volume of both regular & irregular objects. They wanted me to answer the 4 questions below in my summary: 1. Why does the ...
Monday, January 4, 2016 by NAtasha

Science
1.Which type of eclipse would you expect to see if the moon passes directly between Earth and the sun? -a solar eclipse -a lunar eclipse -a total lunar eclipse -a penumbra 2.Which of the following statements about a lunar eclipse is true? -A lunar eclipse can occur when the ...
Monday, January 4, 2016 by YRN DJ

Science
13.5g aluminium changes to Al^3+ in solution by loosing ..... electrons.
Monday, January 4, 2016 by Chemistry question

Science
1 mole of chlorine combines with a certain weight of a metal giving 111g of its chloride. The atomic weight of the metal (assuming its valency to be 2) is-
Monday, January 4, 2016 by Chemistry question

Science
How are temperature and thermal energy related A) Temperature and thermal energy both measure the total kinetic energy in an object. B) Temperature is one factor that determines the thermal energy of an object C) Thermal energy is one factor that determines the temperature of ...
Monday, January 4, 2016 by trololololololololol

social science
why is the amazon basin ecologically so important
Monday, January 4, 2016 by kavish

Science
Resistance of tungsten wire is higher when it is hot and lower when it is cold this is because the temperature is
Monday, January 4, 2016 by Mox

Science (Mrs.sue please help)
For your discussion assessment, you will present your proposal of a device that minimizes heat transfer So basically, an insulator. right? i uh... dont get what this questions asking... 0n0 help?
Sunday, January 3, 2016 by Yuno Gasai

Science (correct?)
(1) which of the following correctly identifies the methods of heat transfer? 1. A- convention B- radiaton C- conduction ~~~~~~~~~~~~~ 2. A- conduction B- radiaton C- convention ~~~~~~~~~~~~~ 3. A- convention B- conduction C- radiaton ~~~~~~~~~~~~~ 4. A- radiaton B- convention...
Sunday, January 3, 2016 by Yuno Gasai

Science
The description of the structure of the atom is called the _____ thanks
Sunday, January 3, 2016 by DEEZ GOT HEE

Science
1.The images above show particles in a medium. Which of the following shows the worst conditions for a sound wave to travel? A B C D 2.Which of the following correctly describes a radio wave? A.long wavelength and high frequency B.long wavelength and low frequency C.short ...
Sunday, January 3, 2016 by XDKitty~

computer technology
what type of link is used to call this file?
Sunday, January 3, 2016 by jess

Life science, history, accounting
I chose these subjects for grade 10, but I don't know what I'm going to do with them when I reach university or what career I could have with these subjects. Please help.
Sunday, January 3, 2016 by Seipelo

material science
What is the different between material science and material engineering?
Sunday, January 3, 2016 by mohammed umaru

Science
An airplane's speed in still air is 240 km/h. (a) If the pilot wishes the resultant motion of the plane to be due north when a 60 km/h wind is blowing the plane due east, in what direction should the plane be headed? (b) What will then be the resultant speed of the ...
Sunday, January 3, 2016 by Adelinne

Science Fair
I just wanted to ask if this project written below is a High School Project... (Up,up,away in your own hot air ballon) This is the project name and also I don't need a link to this project, I have it already... Just tell me whether it is a high school project or not..
Saturday, January 2, 2016 by Tisy

science
Which has more entropy neon or methane
Saturday, January 2, 2016 by jyoti

Physics-science
A block of wood has a mass of 3.6kg and specific gravity of 0.6. It is to be loaded with lead of density of 11300 kg per cubic metre so that it floats in water with 0.90 of its volume immersed. What mass of lead is needed? (a) if the lead is on top of the wood? (b) if the lead...
Saturday, January 2, 2016 by KAZIN BONNY

Science
Why Is it important to include units with your temperature measurements
Friday, January 1, 2016 by Anthonae

science
what is the boiling point of 3.77m sucrose
Friday, January 1, 2016 by vyankatesh kshatriya

science
why tne unit of pd and emf is same
Friday, January 1, 2016 by diwas

computer programming
write a program to print fibonaaci series like 2,1,3,4,7,11,18 up to 10th term using function...end function I did it using SUB..end sub in this way : declare sub series cls call series end sub series a=2 b=1 for p =1 to 5 print a; b a=a + b b=b + a next p end sub How do you ...
Friday, January 1, 2016 by JILL

science
The work done by 500 calories of heat in isothermal expansion of ideal gas is?
Thursday, December 31, 2015 by priya

Science
The difference between the speed of sound in air at 0 degrees Celsius and the speed of sound in air at 20 degrees Celsius is that A) cooler air molecules move more slowly and respond less readily to the energy of a sound wave B) cooler air molecules move more quickly and ...
Thursday, December 31, 2015 by Need Urgent Help Please

Science
Which type of attractive forces do you expect between HCl3,HF,HCL?
Thursday, December 31, 2015 by Ghufran ali

science and technology
calculate the work done if a force of 80N is applied to a ball to move it to a distance of 24m.
Thursday, December 31, 2015 by yakubu shehu

computer
Write a program that input two numbers and find if second number is square of firs number
Thursday, December 31, 2015 by program

Science - Chemistry
If vapour pressure of water is 17.5 torr at 20C, what is the water vapour pressure inside a bottle of 100 proof whiskey? 100 proof = 50% ethanol Total volume = 1 L Mass of ethanol = 394.5g Mass of water = 500g Density of ethanol = 0.789g/mL Moles of ethanol = 8.58 mol Moles of...
Wednesday, December 30, 2015 by Sara

science,physics
Jesse Rose walks along a footpath for 6 minutes.She then cuts across a field, which takes a further 4 minutes.She walks a total distance of 900m. what is her average speed? could you please explain this step by step.
Wednesday, December 30, 2015 by ANGELINA JONES

science,physics
i do not understand this question and by the way this is not my homework. Reggie sets out from home on his bicycle.First he goes to the shop, which is 500 m away, he then rides to his friend's house which is a further 1200m.He then returns home. what total distance has ...
Wednesday, December 30, 2015 by sara

Math
Out of a group of 600 students taking computer,mathematics or physics,there is no student taking both computer and mathematics.Every student takes computer or mathematics.150 takes physics and mathematics and 250 take only one of the subjects.Find 1) the number of students ...
Wednesday, December 30, 2015 by Seble

Math
Out of a group of 600 students taking computer,mathematics or physics,there is no student taking both computer and mathematics.Every student takes computer or mathematics.150 take physics and mathematics and 250 take only one of the subjects.Find 1) the number of students ...
Wednesday, December 30, 2015 by Mitu

Science
How are modern items made to look like ancient artifacts? (This is about radioactive decay and dating.)
Wednesday, December 30, 2015 by Anonymous

Science
What types of artifacts can accelerator mass spectrometry be used to date, other than wood, paper, and bread?
Wednesday, December 30, 2015 by Anonymous

Science
A train starts from rest with an accelaration of 0.5 m/s (square) find its speed in km/h when it has moved throug 100m
Tuesday, December 29, 2015 by Farid

Math/Science
Calculate the minimum change in velocity (delta V or ∆V) required for the Space Shuttle to decrease its altitude to 60 miles if it’s orbiting with an apogee of 260 miles and a perigee of 220 miles above the surface of Earth.
Tuesday, December 29, 2015 by Lane

Chemistry
An experiment calls for 100ml of 0.1M copper(II) sulfate solution. Write a step-by-step procedure for a science teacher to make 100ml of 5M stock solution and the required diluted solution.
Tuesday, December 29, 2015 by Esther

Computer science
Score 1,Score 2 and Score 3 are the marks scored by a student in three tests. Write a pseudocode,an algorithm and draw the flowchart to find the average of best two scores.
Tuesday, December 29, 2015 by Bettlyn

science
what is computer?
Tuesday, December 29, 2015 by beshwar mandal

science
Your bedroom gets direct sunlight through a window during the hottest times of the day. You ask your mom to turn down the thermostat in the house so your room can cool dow. Instead, your mom suggests that you put aluminum foil over the window. What will the results be if you ...
Monday, December 28, 2015 by ?

Science
Which of the following is an example of heat transfer by radiation? A. Wind currents B. a pot of water boiling on the stove C. a bare foot on a hot sidewalk D. a microwave oven heating food I think B? Not sure?
Monday, December 28, 2015 by Amber

Science
Which of the following correctcly identifies the methods of heat transfer?
Monday, December 28, 2015 by ?

life orientiaton,history,geography,life science
What careers can I do with this subjects
Monday, December 28, 2015 by sibusiso

science
an organisms particular role in its habitat or when and how it survives is called what?
Sunday, December 27, 2015 by kahla

science
A uniform solid sphere is placed on a smooth horizontal surface and a horizontal force F is applied on it at a distance h above the surface. The acceleration of the center?
Sunday, December 27, 2015 by harry

ndzundza mabhoko secondary school
Hi I'm doing geograph, maths literacy, life science and business which career can I go for
Saturday, December 26, 2015 by hope

Science
How can volcanic eruptions change the surface of the earth? by creating large deposits of coal by creating new islands and land by lowering land levels several feet by decreasing the level of the ocean I think its C
Saturday, December 26, 2015 by Courtney

science
A body of mass m=2.6 kg is standing on a ramp inclined in an angle of α=14.9 degrees. The static friction coefficient between the ramp and the body is μ=0.29. The ramp, which is inclined to the left, is in a train, which accelerates to the right. What is the minimal ...
Saturday, December 26, 2015 by Anonymous

science
A body of mass m=2.6 kg is standing on a ramp inclined in an angle of α=14.9 degrees. The static friction coefficient between the ramp and the body is μ=0.29. The ramp, which is inclined to the left, is in a train, which accelerates to the right. What is the minimal ...
Saturday, December 26, 2015 by chen

g the following subjects, life science,business st
Which courses can I consider at varsity
Thursday, December 24, 2015 by Bontle

Science Fair Project
Is this Science Fair Project that I am doing a 9th or 11th grade project.... Up,Up, and Away in your own Hot-air ballon !Search up this Project and then tell me!
Wednesday, December 23, 2015 by Zarmin

science help
Which of the following types of waves has the least amount of energy? Gamma rays Microwaves Radio waves Rays is it c
Tuesday, December 22, 2015 by Oscar

science help PLS
Which of the following describes the type of wave that transmits sound? Disturbance Longitudinal Propagated Transverse is it c
Tuesday, December 22, 2015 by Oscar

SCIENCE
How does temperature change during a chemical reaction. (Note: it has to be a Endothermic and exothermic reactions) Thanks
Tuesday, December 22, 2015 by DEEZ GOT HEE

Science
a 60.0 N circus performer performs a high wire act 5.m above ground. About how much gravitational potential energy does the performer have? A.12.0j B.56.0j C.62.0j D.300.0j I think D but idk
Tuesday, December 22, 2015 by That Girl

Science
Two forces of resultant 100N are perpendicular to each other. If one of them makes angle 60 degree with the resultant. Calculate the magnitude of forces
Tuesday, December 22, 2015 by Adeniyi

science
A student mixed 1.5g of CaO with 2.5M HNO3. How many moles of CaO were reacted
Tuesday, December 22, 2015 by Sue

science help
Which of the following is considered a drawback to using wind energy as a source of power? Wind energy is highly polluting. Wind energy is nonrenewable. Winds do not always blow consistently. Winds produce lesser quality energy than other sources. is it c
Monday, December 21, 2015 by Oscar

science help
During which step in the Can Crush Lab did the air pressure outside the can become greater than the pressure inside the can? The can was filled nearly to the top with water. The can was placed on the hot stove burner for several minutes. The can was removed from the hot oven ...
Monday, December 21, 2015 by Oscar

science help
What is the relationship between atmospheric pressure and the density of gas particles in an area of decreasing pressure? As air pressure in an area decreases, the density of the gas particles in that area decreases. As air pressure in an area decreases, the density of the gas...
Monday, December 21, 2015 by Oscar

Science Ms.Sue
Which phase in mitosis or meiosis are these 1.Chromosomes pair up and can exchange genetic material 2.The nuclear membrane in the daughter cells breaks down 3.The chromosomes line up along the center of the cell and two spindle fibers, one from each end of the cell, attach to ...
Monday, December 21, 2015 by Charlie Shuler

SCIENCE PHYSICS
WHEN a body hanging from a spring balance is immersed in water it floats just below the surface of water and shows 100 g loss in its weight then what is the weight of the body in water,in air,what is upthrust on the body what is the volume of tne body.
Sunday, December 20, 2015 by Junaid Shaikh

dzwaboni sec school and am doing this subject(math literacy, history, geography,life science, life orientation, English and tshivenda
Am in grade 10 and I do maths literacy.so what percentage should I get in maths literacy to do law degree?
Sunday, December 20, 2015 by thembuluwo

science help PLS
What is the relationship between atmospheric pressure and the density of gas particles in an area of decreasing pressure? As air pressure in an area decreases, the density of the gas particles in that area decreases. As air pressure in an area decreases, the density of the gas...
Saturday, December 19, 2015 by Oscar

Science
What would happen to ocean tides on Earth if Earth stopped rotating?
Friday, December 18, 2015 by Josh

Social Studies
which statement best describes the thinking of the enlightenment? A. the power of reason is more important B. scientific ideas must fit religious beliefs C. only god knows how the world works D. faith is more important than science is it A?
Friday, December 18, 2015 by AlmostStolen

Science chemistry
a steel cylinder of oxygen with a volume of 15 L was available for medical purposes. The cylinder pressure decrease from 40.6 to 38.5 atm during which time the temperature remain at 24.0 °C how many moles of oxygen had been removed
Friday, December 18, 2015 by Hiba

Science
a steel cylinder of oxygen with a volume of 15 L was available for medical purposes. The cylinder pressure decrease from 40.6 to 38.5 atm during which time the temperature remain at 24.0 °C how many moles of oxygen had been removed
Friday, December 18, 2015 by Hiba

science
calculate the possibility that mother being a carrier of hemophilia with B blood group and healthy father with AB blood group can have an affected son with A blood group. give proper genotypes and crosses
Friday, December 18, 2015 by mustafa

science
what are three of the populations in an ecosystem near you
Thursday, December 17, 2015 by Billy

science help
Which of the following is something you should do after severe weather occurs? clean up flood waters keep away from windows create a family safety plan invite friends over to see the damages is it c
Thursday, December 17, 2015 by Oscar

1 Science Question Unanswered
Okay... I got all the answers. Thanks for the helps anyways. :( I just at least need one help. 1. In plants, sexual reproduction occurs when sperm and egg unite to form a... a. gamete b. gametophyte c. sporophyte d. zygote Is it a or d?
Thursday, December 17, 2015 by Ellen

Science
1. In plants, sexual reproduction occurs when sperm and egg unite to form a... a. gamete b. gametophyte c. sporophyte d. zygote Is it d? 2. A plant continues to grow throughout its life through the use of s a process called... a. alternation of generations b. photosynthesis c...
Thursday, December 17, 2015 by Ellen

Science
1. In plants, sexual reproduction occurs when sperm and egg unite to form a... a. gamete b. gametophyte c. sporophyte d. zygote Is it d? 2. A plant continues to grow throughout its life through the use of s a process called... a. alternation of generations b. photosynthesis c...
Thursday, December 17, 2015 by Ellen

Science
I really need help! Can someone tell me if my answer is correct? Question; Explain the difference between carbon-14 reading for the human skull and brown rock. Why is there such a difference? What does this tell you about dating extremely old objects? My answer; The carbon ...
Thursday, December 17, 2015 by Sage

physical science
Carla applied a force of 35 n to a wheelbarrow full of bricks and moved it 2.5 m.which of the following can be determined from this information ?
Thursday, December 17, 2015 by help

science
to lift a load to the roof you apply 21 n of force to a pulley . the puley applies 21 n of force to the load what is the mechanicalo advantage of the pulley ?
Thursday, December 17, 2015 by help

science
A ball is dropped from a height of 10 meter.If the energy of the ball reduces by 40% after striking the ground, how much high can the ball bounce back?
Thursday, December 17, 2015 by Reem

Comm Tech
1.)Marla remembers her tuesday class schedule by using the acronym Mest . Which of the following might be her class schedule? A.)Math,Social Studies, English,Technology B.)Math,English, Social Studies,Science, Technology C.)Math,English,Social Studies,Technology D.)Math,Social...
Thursday, December 17, 2015 by YRN DJ

Science
istance of a planet from sun is four times the distance of the planet frpm earth.How many years will the planet take to complete one revolution of sun?
Thursday, December 17, 2015 by Nikhil

science
Suppose the height of the net is 0.800 m , and the court's border is 11.2 m from the bottom of the net. Use g =10 m/s2 and find the maximum speed of the horizontally moving ball clearing the net..
Wednesday, December 16, 2015 by sarah

Statistics
The repair cost for a certain model of laptop computer has a normal distribution with a mean of $100, and with a standard deviation of $25. If 16 ovens are sent for repairs, find the probability that the average cost of repairs will be within $10 of the mean.
Wednesday, December 16, 2015 by Tom Biggs

science
pH of HCl solution is 2. Calculate the pH if this solution was diluted twice
Wednesday, December 16, 2015 by mustafa

Science
How to calcualte the enthalpy change for the process in which 6.00g of steam at 100C is coverted to liquid water at a temperature of 35.0?
Wednesday, December 16, 2015 by Bethany

Science
Which is a good experiment that shows light changes when it enters a new medium?
Wednesday, December 16, 2015 by FirstNameLastName

science help PLS
An astronomer sees two stars in the sky. Both stars are equally far from Earth, but the first star is brighter than the second star. Which of the following is a valid conclusion about the first star? It is larger than the second star. It is smaller than the second star. It is ...
Wednesday, December 16, 2015 by Oscar

science help PLS
Which of the following is a massive star that has reached the end of its stellar evolution? Neutron star Red giant Stellar nebula White dwarf
Wednesday, December 16, 2015 by Oscar

science
vs =6 volts vth =2 volts ida(diode current)=1m amp no value given for resistor network find rth(thevenien) 2,000 and 4000 do not work. diode current must not be equal to isc.?? voc=2 volts
Wednesday, December 16, 2015 by bear

science
21. In the heart, blood flows from the right atrium to the right ventricle, where it is pumped to the ______________. 22. The joints highlighted in the image below are ______________ joints. image of transparent body with the spine highlighted
Wednesday, December 16, 2015 by 2015

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Homework Help: Computers